Thermo Group — Solar Experts You Can Trust
Affordable solar installations for homes in Plumstead — quality workmanship, transparent pricing, no premium mark-up.
At Thermo Group, we install solar PV, battery and hybrid systems throughout Plumstead — an established Southern Suburbs neighbourhood built up around its railway line, with a mix of freestanding family homes and residential complexes close to Wynberg and Diep River. We design every Plumstead system around the property type from the first site visit, not as an afterthought.
Thinking about solar in Cape Town?
Free solar quotes, no obligation. Installation and City registration handled for you. Qualified from 2007.
Free solar quote · homes and businesses · no obligation
Tell us about your home or business in 5 quick steps
No prices on screen and no pushy sales. We call you back the same day, do a free site assessment, then send an accurate written quote.
Step 1 of 5
Where is the property?
Type of property
What do you need, and how much power do you use?
What are you looking for?
Roughly what is your monthly electricity bill?
Optional: a photo of a recent bill lets us size your system more accurately before we call. Skip this if you do not have one handy.
What must keep running when the power is off?
Tick anything specific you want covered (optional)
How would you prefer to pay?
This only helps us come prepared. You are not committing to anything and no amounts are shown here.
Where should we call you?
Best time to call
Preferred time for the free site assessment
By sending this you agree to our solar quote terms. We use your details only to contact you about this request.
Prefer to talk? Call 021 203 5337 or WhatsApp 082 302 0683
Our experienced team handles the complete solar installation process in Plumstead — from surveying the property’s actual sun hours and shading, through design, installation, testing, compliance and registration.
Whether you are looking for a solar PV system, battery backup, hybrid inverter or a complete energy solution, we design around your property’s electricity usage, roof and Plumstead’s mix of freestanding homes and complexes. We carry out both residential and commercial solar installations, and our technicians are experienced in installing and maintaining these systems for the long term.
Complete Solar Solutions
Our solar services include:
- ☀️ Solar panel installations
- 🔋 Battery storage systems
- ⚡ Hybrid and backup inverter systems
- 🏠 Residential solar installations
- 🏢 Commercial solar installations
- 🔧 Solar system upgrades and expansions
- 📋 Electrical compliance and certification
- 🏙️ SSEG applications and registration
- 📝 Solar system registration with the City of Cape Town
- 🔍 Solar system inspections and fault finding
- 🛠️ Ongoing solar maintenance and servicing
What We Design Around In Plumstead
Freestanding Homes & Complexes
Plumstead mixes older freestanding houses with residential complexes. We design around each property type’s actual wiring and, where relevant, body corporate requirements.
Railway Line Corridor
Properties nearer Plumstead’s railway line see more vibration and dust than quieter side streets, a factor we build into hardware choices and maintenance planning.
Close To Diep River
Lower-lying pockets near the Diep River can see damper ground conditions, a factor we account for in ground-level equipment positioning and earthing.
Why A Plumstead Solar Installation Is Not A Generic Cape Town Job
Plumstead is an established Southern Suburbs neighbourhood built up around its railway line, with a mix of freestanding family homes and residential complexes close to Wynberg and Diep River. That combination of mixed housing stock and railway-corridor exposure makes for an installation profile all its own. We do not quote a Plumstead installation off a standard template — our site visit accounts for property type and location before we design a system.
Designing Around The Railway Corridor
Properties closer to Plumstead’s railway line see more vibration and dust than quieter residential pockets further away. We factor this into hardware choices for properties in those higher-exposure areas.
Book Your Plumstead Solar Installation Consultation
Fill out the form below to book a site visit and quote for a solar installation in Plumstead. Already have solar and need a Certificate of Compliance too? See our dedicated Certificate of Compliance (COC) Services in Plumstead page.
As trusted solar contractors serving Plumstead, our qualified solar installers provide dedicated solar panel maintenance and PV system maintenance plans, so your investment keeps performing at its best for years to come.
We Don't Just Install — We Maintain
At Thermo Group, our relationship with our Plumstead clients does not end when the solar installation is complete.
We offer ongoing maintenance and servicing for Plumstead solar systems, helping ensure equipment keeps operating safely and efficiently despite the suburb’s railway-corridor exposure and mix of property types. Our team can assist with inspections, fault finding, inverter issues, battery systems, electrical connections and general system maintenance.
Regular maintenance can also help identify potential problems before they become expensive failures.
SSEG & City of Cape Town Registration
Installing a solar system is only part of the process. Where required, your system must also be properly documented and registered with the City of Cape Town.
Thermo Group can assist clients with the SSEG application and registration process, helping ensure that the required documentation, electrical compliance requirements and system information are correctly dealt with.
Our goal is to make the process as straightforward as possible for the property owner.
Your Local Solar Experts
From the initial site survey to installation, compliance, registration and ongoing maintenance, Thermo Group provides a complete solar solution for Plumstead properties under one roof.
Driven by Quality. Powered by Trust.
More Solar Services
Explore our full range of solar installation and solutions services across Cape Town, find out more about our solar maintenance in Plumstead, or see our Certificate of Compliance services in Plumstead.
Book Your Plumstead Solar Installation
Fill in your details below and our team will contact you to discuss your solar installation or maintenance needs in Plumstead.
How much does solar installation cost in Plumstead?
It depends on your household’s usage and system size — a small backup system for essentials during load shedding costs far less than a full system covering your whole home. We assess your usage and roof before quoting, so you get an accurate price rather than a generic estimate.
How long does a solar installation take in Plumstead?
Most residential installations take 1 to 3 days on site, depending on system size and roof complexity, plus the time needed for approvals. We will give you a clear timeline once we have assessed your property.
I live in a residential complex — can I still install solar?
In many cases, yes, though it may require body corporate approval first. We help prepare what is needed and design around the shared roof space available.
Will solar keep my home running during load shedding?
Yes. A correctly installed and configured solar and battery system will keep your essential circuits running during load shedding, and we handle the City of Cape Town’s SSEG registration and Notice of Completion as part of every installation.
Do you also handle compliance certificates and ongoing maintenance for the system?
Yes. We issue the Solar Certificate of Compliance your installation needs, and we offer ongoing maintenance and fault-finding to keep it performing well for years — whether we installed it or another company did.
Solar Installations & Maintenance in Plumstead
Registered, experienced solar technicians serving Plumstead’s freestanding homes and complexes — installation, compliance, registration and ongoing maintenance.
What our customers say
EXCELLENT
Based on 61 reviews
Posted on Google![]()
Isabel Hanevil29 October 2026Trustindex verifies that the original source of the review is Google.
⭐⭐⭐⭐⭐ Excellent Service from Thermo Group! I had a wonderful experience with Thermo Group when I needed electrical issues fixed at my home. From the very beginning, the service was excellent. Nikita, the office administrator who assisted me with booking the job, was incredibly helpful, friendly and professional. She made the booking process smooth and effortless. Warwick, the technician who attended to the electrical issues, was equally impressive. He was professional, knowledgeable and efficient, and I truly appreciated the service he provided. It's refreshing to deal with a company that values its customers and delivers such great service from the office right through to the technical team. A big thank you to Nikita, Warwick and the entire Thermo Group team! I would highly recommend their services to anyone looking for reliable and professional assistance. Keep up the excellent work! 👏Posted on Google![]()
Sam Gill22 October 2026Trustindex verifies that the original source of the review is Google.
Extraordinary customer service by Niki when I enquired about getting a meter changed.Posted on Google![]()
Juan Snyman14 October 2026Trustindex verifies that the original source of the review is Google.
Excellent service from Warwick and Keenan! They were professional, friendly, efficient, and thorough when sorting out our faulty electricity. They did a fantastic job, and I would highly recommend them to anyone looking for reliable, skilled, and professional electricians. Truly outstanding service from start to finish. Thanks guys! Regards JuanPosted on Google![]()
William Francis14 October 2026Trustindex verifies that the original source of the review is Google.
Great service from Thermo Group!! They responded promptly, clearly knew their stuff and were a pleasure to deal with. Highly recommended!Posted on Google![]()
Alroy John13 October 2026Trustindex verifies that the original source of the review is Google.
Excellent service my toilet was blocked took them 15min to get to me and got everything sorted in a very short while.great job well done 👍Posted on Google![]()
Charlene Sobotker12 October 2026Trustindex verifies that the original source of the review is Google.
I would like to compliment Warwick and the Thermoelectrics team for their excellent service! ⭐👏 Warwick came out over the weekend to attend to my lights that were not working, and I was truly impressed with how helpful, efficient and professional he and his team were. It is not often that you come across a team that is so willing to assist, even over weekends. Thank you, Warwick, and the team, for going the extra mile and ensuring that the problem was attended to. Your dedication and excellent service are truly appreciated! I would definitely recommend Thermoelectrics Compliance, Solar, Electrical & Plumbing to anyone looking for reliable and professional service. 💡⚡Posted on Google![]()
Sharon Stanton11 October 2026Trustindex verifies that the original source of the review is Google.
Thermo Group delivered exceptional service from start to finish. From my first contact with Nikita who listened to me & responded urgently, to the electricians Alfred and Phato who arrived promptly, quickly found the problem and returned over the weekend to make repairs at short notice and even waited without complaint for 2 hours for the municipal contractor, to Warwick who was available around the clock and went above and beyond to check in with me and to get the City to restore my power after it simply closed my case after 6 hours. The team’s professionalism, clear communication and follow-through, genuine care and support are rare. I highly recommend Thema Group.Posted on Google![]()
Yusuf Adams7 October 2026Trustindex verifies that the original source of the review is Google.
Thanks to the Thermoelectric team led by Alfred and supported by Yusuf and Mvozo. They diagnosed and remedied the problem professionally and effectively. Thanks again Alfred and team.Posted on Google![]()
Natalie George6 October 2026Trustindex verifies that the original source of the review is Google.
Alfred and Yusuf were absolutely amazing checking and redoing our electrics. Alfred made the effort to keep us in the loop at all times and went above and beyond to resolve issues. The team were considerate of us working from home but still very quick and efficient. I would not hesitate to recommend them.Posted on Google![]()
Janice Stichini5 October 2026Trustindex verifies that the original source of the review is Google.
On 24 September 2026 Russel and his team (Ebrahim, Michael and Alfred) visited us and went through the various areas of their expertise. We found them to be very pleasant and knowledgeable in their respective fields. It was a real pleasure having them carry out the COC.
Other Thermo Services In Plumstead
- Certificate of Compliance Plumstead
- Electrician Plumstead
- Emergency Electrician Plumstead
- Solar Maintenance & Repairs Plumstead
See all Solar Installation areas in Cape Town or everything we offer in the Southern Suburbs.
Nearby areas we serve
Thermo Group also covers solar installations in nearby areas such as Wynberg, Diep River, Southfield, Constantia and Retreat.
Based in or near Plumstead? Call us on 021 203 5337 or 082 302 0683. We are open 24/7.